Data Sources
SpeedCams.us aggregates camera location data from multiple official and community sources. Below is a detailed listing of every source we use, along with coverage information, licenses, and last fetched dates.
OpenStreetMap (OSM)
- What
- Community-mapped speed cameras and enforcement locations across the entire United States.
- Coverage
- National — thousands of speed cameras, red light cameras, and enforcement locations contributed by OSM volunteers.
- Fetch Method
- Overpass API query for
highway=speed_cameraandenforcement=traffic_signalsnodes within the US bounding box. - License
- Open Data Commons Open Database License (ODbL) — attribution required.
- Last Fetched
- March 2026
- Limitations
- Community-maintained; coverage varies by region. Urban areas tend to have better coverage than rural areas. Not all cameras are mapped.
City of Chicago Open Data
- What
- Official speed camera and red light camera locations published by the City of Chicago.
- Records
- Approximately 160 speed cameras and 170 red light cameras.
- Update Frequency
- Updated as camera locations change.
- License
- Public Domain
- Last Fetched
- March 2026
District of Columbia Open Data
- What
- Official camera enforcement locations from DC GIS, including speed cameras, red light cameras, and stop sign cameras.
- Records
- Over 700 camera enforcement locations.
- License
- Open Data — free to use with attribution.
- Last Fetched
- March 2026
San Francisco Open Data (SFMTA)
- What
- Red light camera locations published by the San Francisco Municipal Transportation Agency (SFMTA).
- License
- Public Domain
- Last Fetched
- March 2026
National Conference of State Legislatures (NCSL)
- What
- Research on state speed camera and red light camera laws, including legal status, fine amounts, and legislative history for all 50 states.
- Usage
- Used to research and verify legal status data in our laws-by-state dataset.
- Last Reviewed
- March 2026
Data Accuracy & Corrections
We strive to keep our data as accurate and up-to-date as possible, but camera locations and laws change frequently. If you notice incorrect or outdated information, please contact us at contact@uscameras.com so we can correct it.